—Dave called you about half an hour ________,Anna.—Thank you.I’ll call him back.
— We don’t have enough meat in the fridge. — I _______ some more in the supermarket soon.
— May I put my car here? — No, you _______. Put it over there, please.
Is there _______ useful on science? I’m looking for information about this topic.
Which is __________, traveling by air or by train?
Nancy is a good student. She studies hard _______ she also likes to help others.